gh0strat | ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893

General

Target

ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
Size

4.7MB
MD5

e5df0fb2eadd7e6cdd57d4b0e5e043e5
SHA1

be2b61e2c41e6daefd846df9f095993de113578a
SHA256

ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893
SHA512

924665c89ff36d7f09efe225e948f46566ebaa89f8d2b2ba76301c9409a113fffb59eadd4a12453cb9d7bb099aa487124e0fb1a9872bc1f0aac88a1f2d88fcea
SSDEEP

49152:tCwsbCANnKXferL7Vwe/Gg0P+WhB6pabvSY7UPuUGMc6Cxl5NBV5CpMc6Cxl5NBW:Qws2ANnKXOaeOgmhkUlUPuUnETNpETNc

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/1584-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1584-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1092-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1092-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2288-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2288-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2288-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240607656.txt	family_gh0strat
behavioral2/memory/1584-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1584-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1092-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1092-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2288-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2288-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2288-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Drops file in Drivers directory 1 IoCs

Processes:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240607656.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exeRemote Data.exe

pid	process
1212	R.exe
1584	N.exe
1092	TXPlatfor.exe
2288	TXPlatfor.exe
3360	HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
4824	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

1212 R.exe
2396 svchost.exe
4824 Remote Data.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1584-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1584-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1092-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1092-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1092-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2288-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2288-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2288-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240607656.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

Processes:

ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2432 PING.EXE

pid	process
2432	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe

pid	process
4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2288 TXPlatfor.exe

pid	process
2288	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1584	N.exe
Token: SeLoadDriverPrivilege	2288	TXPlatfor.exe
Token: 33	2288	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2288	TXPlatfor.exe
Token: 33	2288	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2288	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exeHD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe

pid	process
4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
3360	HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
3360	HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exeTXPlatfor.exeN.execmd.exesvchost.exe

description	pid	process	target process
PID 4396 wrote to memory of 1212	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	R.exe
PID 4396 wrote to memory of 1212	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	R.exe
PID 4396 wrote to memory of 1212	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	R.exe
PID 4396 wrote to memory of 1584	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	N.exe
PID 4396 wrote to memory of 1584	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	N.exe
PID 4396 wrote to memory of 1584	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	N.exe
PID 1092 wrote to memory of 2288	1092	TXPlatfor.exe	TXPlatfor.exe
PID 1092 wrote to memory of 2288	1092	TXPlatfor.exe	TXPlatfor.exe
PID 1092 wrote to memory of 2288	1092	TXPlatfor.exe	TXPlatfor.exe
PID 1584 wrote to memory of 4244	1584	N.exe	cmd.exe
PID 1584 wrote to memory of 4244	1584	N.exe	cmd.exe
PID 1584 wrote to memory of 4244	1584	N.exe	cmd.exe
PID 4244 wrote to memory of 2432	4244	cmd.exe	PING.EXE
PID 4244 wrote to memory of 2432	4244	cmd.exe	PING.EXE
PID 4244 wrote to memory of 2432	4244	cmd.exe	PING.EXE
PID 4396 wrote to memory of 3360	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
PID 4396 wrote to memory of 3360	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
PID 4396 wrote to memory of 3360	4396	ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe	HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
PID 2396 wrote to memory of 4824	2396	svchost.exe	Remote Data.exe
PID 2396 wrote to memory of 4824	2396	svchost.exe	Remote Data.exe
PID 2396 wrote to memory of 4824	2396	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
"C:\Users\Admin\AppData\Local\Temp\ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4396

C:\Users\Admin\AppData\Local\Temp\R.exe
C:\Users\Admin\AppData\Local\Temp\\R.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:1212

C:\Users\Admin\AppData\Local\Temp\N.exe
C:\Users\Admin\AppData\Local\Temp\\N.exe
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
3⤵
- Suspicious use of WriteProcessMemory
PID:4244

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2432

C:\Users\Admin\AppData\Local\Temp\HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
C:\Users\Admin\AppData\Local\Temp\HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3360

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4560

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2396

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240607656.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4824

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -acsi
2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.7MB

MD5
7c4c3eea040c9df212e5e7d186834eaf

SHA1
5d2dbaaedd1af2023a7f3067aba0488ebb17358a

SHA256
78d27b5804e3ec7105bb9c4fd9d6d7d2e0ebd19b300802bd3af406c64daf19b9

SHA512
7f18fa54ddc8a33b81f4e120b56b7452ef6951061e1dcaece98aab612e5cb5598b57c6bcc183600c0ae293b883df0b08b74f414fdac2920e8c0d259e86ea4e7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_ae71138a5966aeb7847a9a1767ce548b3d78e97f7c5bde0ae9bc722ca744a893.exe

Filesize
1.9MB

MD5
b5ee53c29e5f01348254db289a073517

SHA1
670831b35ac89f4fc65ec28167d4dfe119bbd389

SHA256
1edd9fe03e4b4e44c8993ba83d42fcb640f4e2a8d8cfb4461b55fcbf094c966e

SHA512
4718f7c4ffd878f7ab9d24b295dea04cc258ef3c991a1beb11f06b863d930fed2e96b5b841c813cfc5b2514d83a55209b18a51bafd5dd6082fd95d23248a2c8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240607656.txt

Filesize
899KB

MD5
ec9d3920ea0d7e111528367443db6f9f

SHA1
d22ff4148103cd4e73f26d8c4246dbfdd1b9070a

SHA256
68f5322bdce7fa85f038ea1f8aa97e1e8ea781eeb90afdebdf2425605a936c09

SHA512
992a3f12d10469a0f9748488f05b679317cba9f6d7f60d87cd3417f339bc6fb8f544e8b70ebd4d37959fc33d51f4ce16a8f682ba5574f4b9a23b4dced4d8d9a7

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1092-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1092-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1092-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1584-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1584-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1584-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1584-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2288-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2288-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2288-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads